Real World article
(written from a Production point of view)

In the script for the Star Trek: The Next Generation episode "Man of the People", the Bironi warship was a type of warship used by the Bironi.

After the USS Enterprise-D beamed Ves Alkar and his "mother" Sev Maylor aboard from the transport ship Dorian, a Bironi warship was detected on a parallal course within sensor range of the Enterprise-D. Subsequently, Captain Jean-Luc Picard ordered a yellow alert.